Analysis Overview
SHA256
83ba7beca30e18fc57055c50165ef406691dc3d74ab90a8fc99752107978b25f
Threat Level: Known bad
The file 9b4365f338e72a858161429f0ea14efc was found to be: Known bad.
Malicious Activity Summary
Gozi
Loads dropped DLL
UPX packed file
Executes dropped EXE
Deletes itself
Unsigned PE
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious behavior: RenamesItself
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-02-14 09:02
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-14 09:02
Reported
2024-02-14 09:04
Platform
win7-20231215-en
Max time kernel
117s
Max time network
122s
Command Line
Signatures
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9b4365f338e72a858161429f0ea14efc.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9b4365f338e72a858161429f0ea14efc.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9b4365f338e72a858161429f0ea14efc.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9b4365f338e72a858161429f0ea14efc.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9b4365f338e72a858161429f0ea14efc.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9b4365f338e72a858161429f0ea14efc.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2552 wrote to memory of 1808 | N/A | C:\Users\Admin\AppData\Local\Temp\9b4365f338e72a858161429f0ea14efc.exe | C:\Users\Admin\AppData\Local\Temp\9b4365f338e72a858161429f0ea14efc.exe |
| PID 2552 wrote to memory of 1808 | N/A | C:\Users\Admin\AppData\Local\Temp\9b4365f338e72a858161429f0ea14efc.exe | C:\Users\Admin\AppData\Local\Temp\9b4365f338e72a858161429f0ea14efc.exe |
| PID 2552 wrote to memory of 1808 | N/A | C:\Users\Admin\AppData\Local\Temp\9b4365f338e72a858161429f0ea14efc.exe | C:\Users\Admin\AppData\Local\Temp\9b4365f338e72a858161429f0ea14efc.exe |
| PID 2552 wrote to memory of 1808 | N/A | C:\Users\Admin\AppData\Local\Temp\9b4365f338e72a858161429f0ea14efc.exe | C:\Users\Admin\AppData\Local\Temp\9b4365f338e72a858161429f0ea14efc.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\9b4365f338e72a858161429f0ea14efc.exe
"C:\Users\Admin\AppData\Local\Temp\9b4365f338e72a858161429f0ea14efc.exe"
C:\Users\Admin\AppData\Local\Temp\9b4365f338e72a858161429f0ea14efc.exe
C:\Users\Admin\AppData\Local\Temp\9b4365f338e72a858161429f0ea14efc.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | zipansion.com | udp |
| US | 104.21.73.114:80 | zipansion.com | tcp |
| US | 8.8.8.8:53 | yxeepsek.net | udp |
| US | 104.21.20.204:80 | yxeepsek.net | tcp |
Files
memory/2552-0-0x0000000000400000-0x00000000008EF000-memory.dmp
memory/2552-1-0x0000000000400000-0x000000000062A000-memory.dmp
memory/2552-2-0x00000000018F0000-0x0000000001A23000-memory.dmp
\Users\Admin\AppData\Local\Temp\9b4365f338e72a858161429f0ea14efc.exe
| MD5 | 4b69c43871405277debfdc575628e5d0 |
| SHA1 | 2377c68826be4a1b0ea6674aa603670a60e508fa |
| SHA256 | 6d801cb90e60a3db7a213b90f1404fb7c04643cf75a55bba9a0c8c7889124395 |
| SHA512 | 4964d8abc786cb122f1241a7da570591aa228db801e59016574ebdd6db08bad1280eed7d74c3e8c16ff92acb25c119b0fc19a8bff366f18c4db19e27d543fe25 |
memory/1808-17-0x0000000000400000-0x000000000062A000-memory.dmp
memory/1808-16-0x0000000000400000-0x00000000008EF000-memory.dmp
memory/2552-14-0x0000000003950000-0x0000000003E3F000-memory.dmp
memory/2552-13-0x0000000000400000-0x000000000062A000-memory.dmp
memory/1808-19-0x0000000001B20000-0x0000000001C53000-memory.dmp
memory/1808-23-0x0000000000400000-0x000000000061D000-memory.dmp
memory/1808-24-0x0000000003410000-0x000000000363A000-memory.dmp
memory/1808-31-0x0000000000400000-0x00000000008EF000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-14 09:02
Reported
2024-02-14 09:04
Platform
win10v2004-20231222-en
Max time kernel
145s
Max time network
149s
Command Line
Signatures
Gozi
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9b4365f338e72a858161429f0ea14efc.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9b4365f338e72a858161429f0ea14efc.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9b4365f338e72a858161429f0ea14efc.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9b4365f338e72a858161429f0ea14efc.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9b4365f338e72a858161429f0ea14efc.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 6096 wrote to memory of 3920 | N/A | C:\Users\Admin\AppData\Local\Temp\9b4365f338e72a858161429f0ea14efc.exe | C:\Users\Admin\AppData\Local\Temp\9b4365f338e72a858161429f0ea14efc.exe |
| PID 6096 wrote to memory of 3920 | N/A | C:\Users\Admin\AppData\Local\Temp\9b4365f338e72a858161429f0ea14efc.exe | C:\Users\Admin\AppData\Local\Temp\9b4365f338e72a858161429f0ea14efc.exe |
| PID 6096 wrote to memory of 3920 | N/A | C:\Users\Admin\AppData\Local\Temp\9b4365f338e72a858161429f0ea14efc.exe | C:\Users\Admin\AppData\Local\Temp\9b4365f338e72a858161429f0ea14efc.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\9b4365f338e72a858161429f0ea14efc.exe
"C:\Users\Admin\AppData\Local\Temp\9b4365f338e72a858161429f0ea14efc.exe"
C:\Users\Admin\AppData\Local\Temp\9b4365f338e72a858161429f0ea14efc.exe
C:\Users\Admin\AppData\Local\Temp\9b4365f338e72a858161429f0ea14efc.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | zipansion.com | udp |
| US | 104.21.73.114:80 | zipansion.com | tcp |
| US | 8.8.8.8:53 | yxeepsek.net | udp |
| US | 104.21.20.204:80 | yxeepsek.net | tcp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 114.73.21.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 204.20.21.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 187.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 170.117.168.52.in-addr.arpa | udp |
Files
memory/6096-0-0x0000000000400000-0x00000000008EF000-memory.dmp
memory/6096-2-0x0000000001DF0000-0x0000000001F23000-memory.dmp
memory/6096-1-0x0000000000400000-0x000000000062A000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\9b4365f338e72a858161429f0ea14efc.exe
| MD5 | 904c01778f073048818c58aa60d530f8 |
| SHA1 | 91b0f3254099c984916131f21f9f5c8fa0e10496 |
| SHA256 | c647594cab42dec1ffea5c9bf878b1c10996dfefbe185efc37111041dfeccd78 |
| SHA512 | a42e473fc47a9dadb3a46c73eaac140488cfb60dba86bf05e25b04cc696203c3024834c765d3f1c0f44efde8d40ce16468e530206026c56380e326e480f6a765 |
memory/6096-12-0x0000000000400000-0x000000000062A000-memory.dmp
memory/3920-14-0x0000000000400000-0x000000000062A000-memory.dmp
memory/3920-13-0x0000000001D90000-0x0000000001EC3000-memory.dmp
memory/3920-15-0x0000000000400000-0x00000000008EF000-memory.dmp
memory/3920-21-0x0000000000400000-0x000000000061D000-memory.dmp
memory/3920-20-0x0000000005690000-0x00000000058BA000-memory.dmp
memory/3920-28-0x0000000000400000-0x00000000008EF000-memory.dmp